diff --git a/lib/base.php b/lib/base.php
index 473be9da4b..c2a07e4788 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -528,7 +528,7 @@ class OC {
 		OC_User::useBackend(new OC_User_Database());
 		OC_Group::useBackend(new OC_Group_Database());
 		if (isset($_SERVER['PHP_AUTH_USER']) && self::$session->exists('user_id')
-			&& $_SERVER['PHP_AUTH_USER'] != self::$session->get('loginname')) {
+			&& $_SERVER['PHP_AUTH_USER'] !== self::$session->get('loginname')) {
 			$sessionUser = self::$session->get('loginname');
 			$serverUser = $_SERVER['PHP_AUTH_USER'];
 			OC_Log::write('core',